[PATCH] drm/xen: fix passing zero to 'PTR_ERR' warning

[PATCH] drm/xen: fix passing zero to 'PTR_ERR' warning

[Ding Xiang]

Fix a static code checker warning:
    drivers/gpu/drm/xen/xen_drm_front.c:404 xen_drm_drv_dumb_create()
    warn: passing zero to 'PTR_ERR'

Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
---
 drivers/gpu/drm/xen/xen_drm_front.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xen/xen_drm_front.c b/drivers/gpu/drm/xen/xen_drm_front.c
index 4be49c1..3741420 100644
--- a/drivers/gpu/drm/xen/xen_drm_front.c
+++ b/drivers/gpu/drm/xen/xen_drm_front.c
@@ -401,7 +401,7 @@ static int xen_drm_drv_dumb_create(struct drm_file *filp,
 
 	obj = xen_drm_front_gem_create(dev, args->size);
 	if (IS_ERR_OR_NULL(obj)) {
-		ret = PTR_ERR(obj);
+		ret = PTR_ERR_OR_ZERO(obj);
 		goto fail;
 	}
 
-- 
1.9.1



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Re: [Xen-devel] [PATCH] drm/xen: fix passing zero to 'PTR_ERR' warning

[Oleksandr Andrushchenko]

On 3/30/20 12:59, Ding Xiang wrote:
> Fix a static code checker warning:
>      drivers/gpu/drm/xen/xen_drm_front.c:404 xen_drm_drv_dumb_create()
>      warn: passing zero to 'PTR_ERR'
>
> Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
> ---
>   drivers/gpu/drm/xen/xen_drm_front.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/xen/xen_drm_front.c b/drivers/gpu/drm/xen/xen_drm_front.c
> index 4be49c1..3741420 100644
> --- a/drivers/gpu/drm/xen/xen_drm_front.c
> +++ b/drivers/gpu/drm/xen/xen_drm_front.c
> @@ -401,7 +401,7 @@ static int xen_drm_drv_dumb_create(struct drm_file *filp,
>   
>   	obj = xen_drm_front_gem_create(dev, args->size);
>   	if (IS_ERR_OR_NULL(obj)) {
> -		ret = PTR_ERR(obj);
> +		ret = PTR_ERR_OR_ZERO(obj);
>   		goto fail;
>   	}
>   
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Re: [Xen-devel] [PATCH] drm/xen: fix passing zero to 'PTR_ERR' warning

[Daniel Vetter]

On Tue, Mar 31, 2020 at 05:50:10PM +0300, Oleksandr Andrushchenko wrote:
> On 3/30/20 12:59, Ding Xiang wrote:
> > Fix a static code checker warning:
> >      drivers/gpu/drm/xen/xen_drm_front.c:404 xen_drm_drv_dumb_create()
> >      warn: passing zero to 'PTR_ERR'
> > 
> > Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
> Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>

merged to drm-misc-next-fixese.
-Daniel

> > ---
> >   drivers/gpu/drm/xen/xen_drm_front.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/gpu/drm/xen/xen_drm_front.c b/drivers/gpu/drm/xen/xen_drm_front.c
> > index 4be49c1..3741420 100644
> > --- a/drivers/gpu/drm/xen/xen_drm_front.c
> > +++ b/drivers/gpu/drm/xen/xen_drm_front.c
> > @@ -401,7 +401,7 @@ static int xen_drm_drv_dumb_create(struct drm_file *filp,
> >   	obj = xen_drm_front_gem_create(dev, args->size);
> >   	if (IS_ERR_OR_NULL(obj)) {
> > -		ret = PTR_ERR(obj);
> > +		ret = PTR_ERR_OR_ZERO(obj);
> >   		goto fail;
> >   	}

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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